Home / 186,219.69-278,546.67-156,979.50

Finding the Fourth Proportional to 186,219.69, 278,546.67 and 156,979.50

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Solution

The fourth proportional to 186,219.69, 278,546.67 and 156,979.50 is: 234,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,219.69 : 278,546.67 = 156,979.50 : x
  2. Step 2: Convert to fraction form
    186,219.69/278,546.67 = 156,979.50/x
  3. Step 3: Cross multiply
    186,219.69x = 278,546.67 × 156,979.50
  4. Step 4: Simplify right side
    186,219.69x = 43,726,116,983.27
  5. Step 5: Solve for x
    x = 43,726,116,983.27/186,219.69
  6. Step 6: Final answer
    x = 234,809.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.